docs(guides): update quickstart with required global packages (#270)
docs(guides): update quickstart with required global packages (#270)

Also updated the list of files that gets generated with the new command. Fixed syntax highlighting & output on few blocks.
acburdine/denali,acburdine/denali,denali-js/denali,acburdine/denali,denali-js/denali,denali-js/denali